One of the preventable causes of tinnitus is excessive noise exposure. In some instances of noise exposure, tinnitus can be noticed even before hearing loss develops, so it should be considered a warning sign and an indication of the need for hearing protection in noisy environments. Medications can also damage inner ear hair cells and cause tinnitus.
Derivative Liability Law and Legal Definition. Derivative liability refers to being held accountable for the acts of another, based upon assistance provided to that person. Anyone who intentionally participates in a crime as an aider, abettor, or co-conspirator may be held responsible for it. Derivative instruments.
In finance, a derivative is a financial instrument that is derived from the value of an underlying asset. Market participants can enter into an agreement to exchange money, assets or some other value at some future date based on the underlying asset.ortgage-Backed Securities (MBS) is the general term used for securities which are created with the underlying assets being real estate debt. Generally, a âtrustâ fund is set-up containing mortgage loans, then securities are created that represent ownership of that fund.